<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>computed</title>
    <script src="./vue.js"></script>
</head>
<body>
    <div id="app">
        <test-c></test-c>
    </div>
</body>
<script>
    const {createApp, ref, reactive, watch, computed} = Vue

    const app = {

        setup() {

        }
    }

    const vm = createApp(app)

    vm.component('test-c', {
        template: `<div>hello zzm</div>`
    })
    
    vm.mount('#app')
</script>
</html>